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-rw-r--r--include/stdio.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/stdio.h b/include/stdio.h
index 01b62c1eb..3e27707ae 100644
--- a/include/stdio.h
+++ b/include/stdio.h
@@ -544,6 +544,18 @@ extern int ferror_unlocked (FILE *__stream) __THROW;
/* Print a message describing the meaning of the value of errno. */
extern void perror (__const char *__s) __THROW;
+/* These variables normally should not be used directly. The `strerror'
+ function provides all the needed functionality. */
+#ifdef __USE_BSD
+extern int sys_nerr;
+extern __const char *__const sys_errlist[];
+#endif
+#if 0
+/* #ifdef __USE_GNU */
+extern int _sys_nerr;
+extern __const char *__const _sys_errlist[];
+#endif
+
#ifdef __USE_POSIX
/* Return the system file descriptor for STREAM. */